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HT82K628A - Holtek

Description: Windows 2000 PS/2 Keyboard Encoder

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Symbol
HT82K628A - Holtek - PCB symbol
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PCB Footprints
HT82K628A - Holtek PCB footprint - Small Outline Packages - Small Outline Packages - 48-pin SSOP_2020
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3D Models
HT82K628A - Holtek - 3D model - Small Outline Packages - 48-pin SSOP_2020
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HT82K628A Details

  • Manufacturer Part Number:

    HT82K628A

  • Part Life Cycle Code:

    Obsolete

  • Package Description:

    SOP-48

  • HTS Code:

    8542.39.00.60

  • Manufacturer:

    Holtek Semiconductor Inc

  • YTEOL:

    0

  • Consumer IC Type:

    CONSUMER CIRCUIT

  • JESD-30 Code:

    R-PDSO-G48

  • Length:

    15.875 mm

  • Number of Functions:

    1

  • Number of Terminals:

    48

  • Operating Temperature-Max:

    70 °C

  • Operating Temperature-Min:

    -25 °C

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SSOP

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE, SHRINK PITCH

  • Seated Height-Max:

    2.76 mm

  • Supply Voltage-Max (Vsup):

    5.25 V

  • Supply Voltage-Min (Vsup):

    3 V

  • Surface Mount:

    YES

  • Temperature Grade:

    OTHER

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    0.63 mm

  • Terminal Position:

    DUAL

  • Width:

    7.493 mm

HT82K628A Frequently Asked Questions (FAQs)

  • The recommended oscillator crystal frequency for the HT82K628A is 4MHz or 8MHz, depending on the application and clock speed requirements.
  • To configure the HT82K628A for low power consumption, set the Power Down mode (PD) or Idle mode (ID) by writing to the PCON register. Additionally, disable any unused peripherals and adjust the clock frequency to the lowest required for the application.
  • The maximum current that can be sourced or sunk by the I/O pins of the HT82K628A is 20mA, but it is recommended to limit the current to 10mA or less to ensure reliable operation.
  • The HT82K628A has a built-in watchdog timer that can be enabled by setting the WDTEN bit in the WDTC register. The watchdog timer can be configured to reset the device or generate an interrupt if the timer expires.
  • The maximum operating temperature range for the HT82K628A is -40°C to 85°C, but it is recommended to operate the device within the range of 0°C to 70°C for optimal performance and reliability.

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HT82K628A Overview

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